Greg Plitt, 37, was struck on Saturday afternoon on the tracks near Burbank Metrolink station.
Several radio stations are reporting that the former model may have been filming with friends at the time.
Police have confirmed they seized recording equipment from the scene.
Greg Plitt recently starred in the Bravo show Work Out and is due to feature in a new reality series called Friends to Lovers later this month.
A Bravo spokesperson said: “This is a terrible tragedy. Our thoughts and deepest sympathy are with Greg’s family and friends.”
Fellow workout guru Rob Riches has tweeted that the world has lost a fitness icon.
Greg Plitt acted in a number of movies, appearing alongside Robert De Niro and Matt Damon in The Good Shepherd, and with Christian Bale in Terminator 4.
wkc8T7mTeRgQuincy Jones, the celebrated musician and producer who worked with Michael Jackson, Frank Sinatra, Ray…
Misleading allegations, rumours and outright lies about voting and fraud are flooding online spaces in…
At least 158 people have died in Spain's worst flooding disaster in generations. On October…
Google has been fined two undecillion (a two followed by 36 zeroes) roubles by a…
Embarking on a home remodel is an exciting journey, promising enhanced comfort, increased property value,…
The US presidential candidates continued to campaign across key swing states on October 20. Footage…